Vehicle bumper



FIG. 1 is a front and left side perspective view of a vehicle bumper showing my new design;

FIG. 2 is a left side elevation view thereof, to which the right side elevation view is a mirror image;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a front elevation view thereof.

The broken lines shown in the drawings depict portions of the vehicle bumper that form no part of the claimed design. 

CLAIM The ornamental design for a vehicle bumper, as shown and described. 